<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0"/>

    <title>{% if page.title %}{{ page.title | escape }}{% else %}{{ site.title | escape }}{% endif %}</title>
    <meta name="description" content="{{ page.excerpt | default: site.description | strip_html | normalize_whitespace | truncate: 160 | escape }}" />


    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
    <link rel="stylesheet" type="text/css" media="screen,projection" href="{{ "/assets/materialize.css" | relative_url }}" />
    <link rel="stylesheet" type="text/css" media="screen,projection" href="{{ "/assets/main.css" | relative_url }}">
    <link rel="canonical" href="{{ page.url | replace:'index.html','' | absolute_url }}" />
    <link rel="alternate" type="application/rss+xml" title="{{ site.title | escape }}" href="{{ "/feed.xml" | relative_url }}" />

    {% if jekyll.environment == 'production' and site.google_analytics %}
    {% include google-analytics.html %}
    {% endif %}
    <script>
        var _hmt = _hmt || [];
        (function() {
            var hm = document.createElement("script");
            hm.src = "https://hm.baidu.com/hm.js?77f0f14bc2087b6a876449d78b1f63e8";
            var s = document.getElementsByTagName("script")[0];
            s.parentNode.insertBefore(hm, s);
        })();
    </script>
</head>
